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gptkb:Witten–Reshetikhin–Turaev_invariant
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quantum groups
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gptkb:Soddy's_triangle
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gptkb:Soddy_circles
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gptkb:Hoosac_Tunnel
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compressed air drills
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gptkb:twisted_Chevalley_group
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field automorphism
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gptkb:Witten–Reshetikhin–Turaev_invariant
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modular categories
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gptkb:twisted_Chevalley_group
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automorphism
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gptkb:The_Cloisters,_New_York
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elements from European medieval cloisters
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gptkb:Thames_Tunnel_project
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tunneling shield
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gptkb:Hoosac_Tunnel
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nitroglycerin
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gptkb:twisted_Chevalley_group
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graph automorphism
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gptkb:twisted_Chevalley_group
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diagram automorphism
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